On 9/25/2013 9:15 PM, MRAB wrote:
On 26/09/2013 02:08, Steven D'Aprano wrote:
On Wed, 25 Sep 2013 18:41:25 -0500, Tim Chase wrote about namedtuple:
While it uses the "private" member-variable "_fields", you can do
It's not actually private!
namedtuple is documented as an exception to the rule that methods
starting with a single leading underscore are private. Named tuples
define three public methods and one data attribute. In order to avoid
clashing with field names, they start with a single underscore, but they
are documented as public:
_make
_asdict
_replace
_fields
http://docs.python.org/2/library/collections.html#namedtuple-factory-function-for-tuples-with-named-fields
Wouldn't it have made more sense to have a trailing underscore instead?
Users might use such to avoid clashes with keywords and builtins:
'print_', 'id_', 'as_', and will certainly sometimes use embedded _.
--
Terry Jan Reedy
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